Darlly Cartridge [50 sq ft Pair, 2-1/8" OD Top x 2-1/8" OD Bottom x 4-15/16" dia x 6-5/8" L] (40505-2PK) thermproducts and this Little Giant 1-AA-18

and this Little Giant 1-AA-18 version is rated at 170 gallons per hour using the 500500 reference

5 THP 2004 and newer related setups

Useful for mixed threaded and slip-plumbed systems

Ideal for targeted repair

heating and filtration performance usually suffers as well

Darlly Cartridge [50 sq ft Pair, 2-1/8" OD Top x 2-1/8" OD Bottom x 4-15/16" dia x 6-5/8" L] (40505-2PK) thermproducts and this Little Giant 1-AA-18The Darlly 40505 2PK filter cartridge set is designed for compatible filtration systems that use a paired 50 square foot cartridge configuration. Each cartridge features 2 1 8 inch top and bottom openings, a 4 15 16 inch diameter, and a 6 5 8 inch length, making this two pack especially useful for systems built around dual compact elements. Paired cartridge systems require the right size on both elements to maintain proper balance and fit inside the